I'm talking about these: http://www.ymimports.com/p-1619-jade-co ... ze-30.aspx

How do they really look and how would you describe their quality?

The pictures look nice but pictures often show colors wrong.

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Assertion without proof takes up little time; misrepresentation is always beautifully brief. –John Stuart Mill

There was an earlier thread in this forum with my detailed reply regarding these stones: "Caring for Glass Go Stones?" which may prove informative

Thanks, I'll look for that.

Followup: I contacted YMI and they mailed me 4 sample stones from the set. The light green ones are almost "sour apple" green but not unattractive and they do make a striking deviation from the usual duochromatic stones.